317473019 has 2 divisors, whose sum is σ = 317473020. Its totient is φ = 317473018.

The previous prime is 317473003. The next prime is 317473027. The reversal of 317473019 is 910374713.

It is a strong prime.

It is an emirp because it is prime and its reverse (910374713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317473019 - 2⁴ = 317473003 is a prime.

It is a super-2 number, since 2×317473019² = 201578235585948722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 317473019.

It is not a weakly prime, because it can be changed into another prime (317473049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158736509 + 158736510.

It is an arithmetic number, because the mean of its divisors is an integer number (158736510).

Almost surely, 2^317473019 is an apocalyptic number.

317473019 is a deficient number, since it is larger than the sum of its proper divisors (1).

317473019 is an equidigital number, since it uses as much as digits as its factorization.

317473019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 317473019 is about 17817.7725600031. The cubic root of 317473019 is about 682.1851698620.

The spelling of 317473019 in words is "three hundred seventeen million, four hundred seventy-three thousand, nineteen".